_STP_1495-2007.pdf

STP 1495Heat-Air-Moisture Transport:Measurements on Building MaterialsDr.P.Mukhopadhyaya and Dr.M.K.Kumaran,editorsASTM Stock Number:STP1495ASTM100 Barr Harbor DrivePO Box C700West Conshohocken,PA 19428-2959Printed in the U.S.A.Library of Congress Cataloging-in-Publication DataHeat-air-moisture transport:measurements on building materials/Phalguni Mukhopadhyaya and Mavinkal Kumaran,editors.p.cm.ISBN 978-0-8031-3422-51.Dampness in buildings.2.Heat-Transmission.I.Mukhopadhyaya,Phalguni.II.Kumaran,Mavinkal.TH9031.H43 2007693.8 93-dc222007040740Copyright 2007 AMERICAN SOCIETY FOR TESTING AND MATERIALSINTERNATIONAL,West Conshohocken,PA.All rights reserved.This material may notbe reproduced or copied in whole or in part,in any printed,mechanical,electronic,film,or other distribution and storage media,without the written consent of the publisher.Photocopy RightsAuthorization to photocopy items for internal,personal,or educationalclassroom use,or the internal,personal,or educational classroom use ofspecific clients,is granted by the American Society for Testing and MaterialsInternational ASTM provided that the appropriate fee is paid to the CopyrightClearance Center,222 Rosewood Drive,Danvers,MA 01923;Tel:978-750-8400;online:http:/ Review PolicyEach paper published in this volume was evaluated by two peer reviewers and atleast one editor.The authors addressed all of the reviewers comments to the satisfactionof both the technical editor?s?and the ASTM International Committee on Publications.The quality of the papers in this publication reflects not only the obvious efforts ofthe authors and the technical editor?s?,but also the work of the peer reviewers.Inkeeping with long-standing publication practices,ASTM International maintainsthe anonymity of the peer reviewers.The ASTM International Committee on Publicationsacknowledges with appreciation their dedication and contribution of time and efforton behalf of ASTM International.Printed in the USANovember 2007ForewordThe First Symposium on Heat-Air-Moisture Transport:Measurements on BuildingMaterials was held in Toronto,Ontario,Canada on 23 April 2006.ASTM Committee C-16on Thermal Insulation served as its sponsor.The symposium chairs and co-editors of thispublication were Phalguni Mukhopadhyaya and Mavinkal K.Kumaran of the NationalResearch Council,Ottawa,ON,Canada.ContentsOverviewviiModeling the Heat,Air and Moisture Response of Building Envelopes:What MaterialProperties are Needed,How Trustful are the Predictions?H.S.L.C.HENS1Improved Suction Technique for the Characterization of Construction MaterialsL.G.THYGESEN ANDK.K.HANSEN12Water Vapor Transmission Measurement and Significance of CorrectionsP.MUKHOPADHYAYA,K.KUMARAN,J.LACKEY,ANDD.VANREENEN21Moisure Buffer Value of Building MaterialsC.RODE,R.PEUHKURI,B.TIME,K.SVENNBERG,ANDT.OJANEN33Effects of Drying Conditions,Phase Transformations,and Carbonation Reactions onMeasurements of Sorption Isotherms of Building MaterialsK.E.WILKES,J.A.ATCHLEY,P.W.CHILDS,ANDA.DESJARLAIS45Evaluation of Functional Approaches to Describe the Moisture Diffusivity of BuildingMaterialsG.SCHEFFLER,J.GRUNEWALD,ANDR.PLAGGE55Determination of Equilibrium Moisture Cement of Building Materials:Some PracticalDifficultiesM.K.KUMARAN,P.MUKHOPADHYAYA,ANDN.NORMANDIN71Inputs and Analyses:An End Users Perspective of Heat-Air-Moisture DataC.P.DECAREAU,L.KAN,ANDJOSEPHP.PINON80Interlaboratory Comparison of the Thickness of the Destroyed Surface Layerof Closed-Cell Foam Insulation SpecimensT.K.STOVALL88The Effect of Air Flow on Measured Heat Transport Through Wall Cavity InsulationD.W.YARBROUGH ANDR.S.GRAVES94The Effect of Vertical Distribution of Water Permeability on the Modeled NeutralizationProcess in Concrete WallsY.KISHIMOTO,S.HOKOI,K.HARADA,ANDS.TAKADA101vOverviewSince the inception in 1938,ASTM Committee C16 has been working on various aspects con-cerning the development of standards,promotion of knowledge,and stimulation of researchpertaining to the heat-air-moisture transport through building materials?e.g.thermal insulationmaterials,products,systems,and associated coatings and coverings?.During this time the com-mittee has seen many changes and challenges in the building construction industry and invari-ably responded effectively to address the pressing concerns of the time.In recent years,the building construction industry is making increased use of sophisticatedcomputer based design tools for moisture design of building envelopes.These design toolsinvariably require well-defined heat-air-moisture transport properties of component building ma-terials.The basics for heat-air-moisture transport through building materials had been researchedupon for a long-time all over the world.However,there is a glaring lack of unifomity in the waysthese transport processes are measured in various laboratories all over the world.The resultscoming out from various test methods are also presented in many different ways.This leads to avery confusing scenario for the e